Microsoft Windows Server 2022 23h2 vulnerabilities

CVE-2026-26175 Medium · 4.6 CWE-908 Apr 14, 2026

Windows Boot Manager Security Feature Bypass Vulnerability

Use of uninitialized resource in Windows Boot Manager allows an unauthorized attacker to bypass a security feature with a physical attack.

CVE-2026-26174 High · 7.0 CWE-362 Apr 14, 2026

Windows Server Update Service (WSUS) Elevation of Privilege Vulnerability

Concurrent execution using shared resource with improper synchronization ('race condition') in Windows Server Update Service allows an authorized attacker to elevate privileges locally.

CVE-2026-26173 High · 7.0 CWE-362 Apr 14, 2026

Windows Ancillary Function Driver for WinSock Elevation of Privilege Vulnerability

Concurrent execution using shared resource with improper synchronization ('race condition') in Windows Ancillary Function Driver for WinSock allows an authorized attacker to elevate privileges locally.

CVE-2026-26172 High · 7.8 CWE-362 Apr 14, 2026

Windows Push Notifications Elevation of Privilege Vulnerability

Concurrent execution using shared resource with improper synchronization ('race condition') in Windows Push Notifications allows an authorized attacker to elevate privileges locally.

CVE-2026-26170 High · 7.8 CWE-20 Apr 14, 2026

PowerShell Elevation of Privilege Vulnerability

Improper input validation in Microsoft PowerShell allows an authorized attacker to elevate privileges locally.

CVE-2026-26169 Medium · 6.1 CWE-126 Apr 14, 2026

Windows Kernel Memory Information Disclosure Vulnerability

Buffer over-read in Windows Kernel Memory allows an authorized attacker to disclose information locally.

CVE-2026-26168 High · 7.8 CWE-362 Apr 14, 2026

Windows Ancillary Function Driver for WinSock Elevation of Privilege Vulnerability

Concurrent execution using shared resource with improper synchronization ('race condition') in Windows Ancillary Function Driver for WinSock allows an authorized attacker to elevate privileges locally.

CVE-2026-26167 High · 7.8 CWE-362 Apr 14, 2026

Windows Push Notifications Elevation of Privilege Vulnerability

Concurrent execution using shared resource with improper synchronization ('race condition') in Windows Push Notifications allows an authorized attacker to elevate privileges locally.

CVE-2026-26166 High · 7.0 CWE-415 Apr 14, 2026

Windows Shell Elevation of Privilege Vulnerability

Double free in Windows Shell allows an authorized attacker to elevate privileges locally.

CVE-2026-26165 High · 7.0 CWE-416 Apr 14, 2026

Windows Shell Elevation of Privilege Vulnerability

Use after free in Windows Shell allows an authorized attacker to elevate privileges locally.

CVE-2026-26163 High · 7.8 CWE-415 Apr 14, 2026

Windows Kernel Elevation of Privilege Vulnerability

Double free in Windows Kernel allows an authorized attacker to elevate privileges locally.

CVE-2026-26162 High · 7.8 CWE-843 Apr 14, 2026

Windows OLE Elevation of Privilege Vulnerability

Access of resource using incompatible type ('type confusion') in Windows OLE allows an authorized attacker to elevate privileges locally.

CVE-2026-26161 High · 7.8 CWE-20 Apr 14, 2026

Windows Sensor Data Service Elevation of Privilege Vulnerability

Untrusted pointer dereference in Windows Sensor Data Service allows an authorized attacker to elevate privileges locally.

CVE-2026-26160 High · 7.8 CWE-306 Apr 14, 2026

Remote Desktop Licensing Service Elevation of Privilege Vulnerability

Missing authentication for critical function in Windows Remote Desktop Licensing Service allows an authorized attacker to elevate privileges locally.

CVE-2026-26159 High · 7.8 CWE-306 Apr 14, 2026

Remote Desktop Licensing Service Elevation of Privilege Vulnerability

Missing authentication for critical function in Windows Remote Desktop Licensing Service allows an authorized attacker to elevate privileges locally.

CVE-2026-26156 High · 7.8 CWE-20 Apr 14, 2026

Windows Hyper-V Remote Code Execution Vulnerability

Heap-based buffer overflow in Windows Hyper-V allows an unauthorized attacker to execute code locally.

CVE-2026-26155 Medium · 6.5 CWE-126 Apr 14, 2026

Microsoft Local Security Authority Subsystem Service Information Disclosure Vulnerability

CVE-2026-26154 High · 7.5 CWE-20 Apr 14, 2026

Windows Server Update Service (WSUS) Tampering Vulnerability

Improper input validation in Windows Server Update Service allows an unauthorized attacker to perform tampering over a network.

CVE-2026-26153 High · 7.8 CWE-125 Apr 14, 2026

Windows Encrypted File System (EFS) Elevation of Privilege Vulnerability

Out-of-bounds read in Windows Encrypting File System (EFS) allows an authorized attacker to elevate privileges locally.

CVE-2026-26152 High · 7.0 CWE-922 Apr 14, 2026

Microsoft Cryptographic Services Elevation of Privilege Vulnerability

Insecure storage of sensitive information in Windows Cryptographic Services allows an authorized attacker to elevate privileges locally.

CVE-2026-26151 High · 7.1 CWE-357 Apr 14, 2026

Remote Desktop Spoofing Vulnerability

Insufficient ui warning of dangerous operations in Windows Remote Desktop allows an unauthorized attacker to perform spoofing over a network.

CVE-2026-25184 High · 7.0 CWE-362 Apr 14, 2026

Applocker Filter Driver (applockerfltr.sys) Elevation of Privilege Vulnerability

Concurrent execution using shared resource with improper synchronization ('race condition') in Applocker Filter Driver (applockerfltr.sys) allows an authorized attacker to elevate privileges locally.

CVE-2026-23670 Medium · 5.7 CWE-822 Apr 14, 2026

Windows Virtualization-Based Security (VBS) Security Feature Bypass Vulnerability

Untrusted pointer dereference in Windows Virtualization-Based Security (VBS) Enclave allows an authorized attacker to bypass a security feature locally.

CVE-2026-20930 High · 7.8 CWE-362 Apr 14, 2026

Windows Management Services Elevation of Privilege Vulnerability

Concurrent execution using shared resource with improper synchronization ('race condition') in Windows Management Services allows an authorized attacker to elevate privileges locally.

CVE-2026-20928 Medium · 4.6 CWE-212 Apr 14, 2026

Windows Recovery Environment Security Feature Bypass Vulnerability

Improper removal of sensitive information before storage or transfer in Windows Recovery Environment Agent allows an unauthorized attacker to bypass a security feature with a physical attack.